CN203148211U - High-temperature lifting furnace - Google Patents

High-temperature lifting furnace Download PDF

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Publication number
CN203148211U
CN203148211U CN 201320028659 CN201320028659U CN203148211U CN 203148211 U CN203148211 U CN 203148211U CN 201320028659 CN201320028659 CN 201320028659 CN 201320028659 U CN201320028659 U CN 201320028659U CN 203148211 U CN203148211 U CN 203148211U
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CN
China
Prior art keywords
furnace
burner hearth
heater
temperature
air inlet
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Application number
CN 201320028659
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Chinese (zh)
Inventor
李海军
孙鸣高
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Luoyang Shenhua Heating Technology Co., Ltd.
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LUOYANG HUAXULIER ELECTRIC STOVE CO Ltd
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Priority to CN 201320028659 priority Critical patent/CN203148211U/en
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Abstract

The utility model discloses a high-temperature lifting furnace which comprises a furnace shell, a hearth arranged in the furnace shell, a furnace bottom lifting platform, a temperature sensing thermocouple, heating elements, an air inlet system and an air exhaust pipe. The hearth is composed of a furnace roof and a square furnace body, the top and the bottom of the furnace body are opened, and the furnace roof is arranged at the top of the furnace body. The upper end of the furnace bottom lifting platform is connected with a furnace door used for sealing a hearth cavity. The heating elements and the temperature sensing thermocouple which extend into the hearth cavity are arranged in the furnace shell, the air inlet system is arranged on the lower portion of the hearth and is composed of an air inlet pipe and a pre-heater connected onto the air inlet pipe serially, one end of the air inlet pipe is connected with the hearth cavity, and the other end of the air inlet pipe penetrates out of the furnace shell to be connected with the outside. The air exhaust pipe is arranged on the upper portion of the hearth, one end of the air exhaust pipe is connected with the hearth cavity, and the other end of the air exhaust pipe penetrates out of the furnace shell to be connected with the outside. The high-temperature lifting furnace is good in sealing performance, uniform in furnace temperature and convenient to move and overhaul.

Description

A kind of high temperature elevator furnace
Technical field
The utility model belongs to the high temperature furnace technical field, relates in particular to a kind of high temperature elevator furnace.
Background technology
As everyone knows, elevator furnace mainly is the high temperature sintering for diamond bit, emery grinding wheel binder, accurate grinding materials and grinding tool, powder metallurgy, various structural ceramics etc.Present stage; known elevator furnace is made up of fixing burner hearth and liftable furnace bottom two parts; burner hearth is outward the furnace shell of protection burner hearth; it is the refractory material of its insulation effect between burner hearth and the furnace shell; the lower furnace portion opening; furnace bottom is made up of the hard mullite brick on liftable platform and the platform; sample to be burnt is placed on the hard mullite brick; rise up into the burner hearth from the lower furnace portion opening part through the furnace bottom hoistable platform; Si-Mo rod electrical heating elements and temperature control element thermocouple stretch into the burner hearth from furnace shell top, and temperature control adopts the PID advanced programmable to control automatically.
Above-mentioned traditional elevator furnace mainly is made of refractory brick matter burner hearth and ceramic fibre or perlite furnace lining, and the heat absorption of burner hearth furnace lining is many, and it is slow to heat up, the furnace temperature inequality, the energy consumption height is comparatively heavy.
Summary of the invention
In order to overcome the problem that traditional elevator furnace exists in actual applications, the purpose of this utility model provides a kind of good seal, the uniform high temperature elevator furnace of furnace temperature.
In order to realize the foregoing invention purpose, the utility model adopts technical scheme as described below:
A kind of high temperature elevator furnace, comprise furnace shell, be arranged on the burner hearth of furnace shell inside, the furnace bottom hoistable platform, temperature thermocouple, heating element heater, gas handling system and blast pipe, burner hearth is made up of furnace roof and square body of heater, the bottom of described body of heater and open-top, furnace roof is arranged on the top of body of heater, the upper end of furnace bottom hoistable platform is connected with the fire door for the closed furnace inner chamber, be provided with the heating element heater and the temperature thermocouple that stretch in the burner hearth cavity in the furnace shell, lower furnace portion is provided with gas handling system, described gas handling system is made up of air inlet pipe and the preheater that is serially connected on the air inlet pipe, air inlet pipe one end is communicated with burner hearth cavity, and the other end passes furnace shell and is in communication with the outside; The top of burner hearth is provided with blast pipe, and blast pipe one end is communicated with burner hearth cavity, and the other end passes furnace shell and is in communication with the outside.
Further, the body of heater of described burner hearth is the integrative-structure that adopts the ceramic beaverboard splicing composition of wet method vacuum suction filter extrusion forming, and the heatproof of this ceramic beaverboard is 1500 ℃-1800 ℃.
Further, the furnace roof of described burner hearth is the overall structure of being built by laying bricks or stones by the ceramic beaverboard that is T-shape, and is equipped with some high-temperature ceramics in this overall structure.
Further, described fire door is the overall structure of being built by laying bricks or stones by long alumina bubble brick and short alumina bubble brick each interval.
Further, be provided with the alumina silicate fibre refractory insulating layer between the body of heater of described burner hearth and the furnace shell.
Further, described fire door is connected with burner hearth is chimeric.
Further, be provided with the high-alumina refractory fiber blanket with the chimeric contact-making surface that is connected of burner hearth on the described fire door.
Further, described heating element heater is U-shaped Elema or U-shaped Si-Mo rod.
Further, the part of stretching out furnace shell on described air inlet pipe and the blast pipe is provided with flow control valve.
Owing to adopt technique scheme, the utlity model has following superiority:
1, burner hearth of the present utility model adopts ceramic beaverboard to construct, and thermal capacitance density is little, the electric furnace quick heating, and high efficiency, energy saving, mobile more light;
2, fire door adopts the overall structure that long and short alumina bubble brick each interval is built by laying bricks or stones, and material is heated evenly;
3, the layout of air inlet pipeline makes atmosphere can well enrich the every nook and cranny of arriving burner hearth;
4, the setting of preheater can reduce strong cold air atmosphere to the impact of burner hearth heating element heater in the utility model, increases the life-span of burner hearth and heating element heater.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure: the 1-furnace shell; The 2-body of heater; The 3-heating element heater; The 4-furnace roof; The 5-temperature thermocouple; The 6-blast pipe; The 7-air inlet pipe; The 8-preheater; The 9-fire door; 10-furnace bottom hoistable platform; The 11-drop-bottom.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1, a kind of high temperature elevator furnace, comprise furnace shell 1, be arranged on the burner hearth of furnace shell 1 inside, furnace bottom hoistable platform 10, temperature thermocouple 5, heating element heater 3, gas handling system and blast pipe 6, burner hearth is made up of furnace roof 4 and square body of heater 2, the bottom of described body of heater 2 and open-top, furnace roof 4 is arranged on the top of body of heater 2, and furnace roof 4 and body of heater 2 are tightly connected, the upper end of furnace bottom hoistable platform 10 is connected with the fire door 9 for the closed furnace inner chamber, be provided with in the furnace shell 1 from furnace roof 4 and stretch into heating element heater 3 and temperature thermocouple 5 burner hearth cavity, and the contact site at heating element heater 3 and temperature thermocouple 5 and furnace roof 4 seals by fiberboard, one deck ceramic fiber paper is laid in upper surface at furnace roof 4, is used for the burner hearth heat preservation energy-saving; Lower furnace portion is provided with gas handling system, described gas handling system is made up of air inlet pipe 7 and the preheater 8 that is serially connected on the air inlet pipe 7, described preheater 8 is used for preheating and enters the gas of burner hearth from air inlet pipe 7, is used for preventing that the cold air that enters from impacting atmosphere and the material in the burner hearth; Air inlet pipe 7 one ends are communicated with burner hearth cavity, and the other end passes furnace shell 1 and is in communication with the outside, and the part that air inlet pipe 7 passes furnace shell 1 is provided with flow control valve, are used for control and measure the amount that enters burner hearth gas; The top of burner hearth is provided with blast pipe 6, and blast pipe 6 one ends are communicated with burner hearth cavity, and the other end passes furnace shell 1 and is in communication with the outside, and the part that blast pipe 6 passes furnace shell 1 is provided with flow control valve, is used for combustion gas.
The body of heater 2 of described burner hearth is the integrative-structure that adopts the ceramic beaverboard splicing composition of wet method vacuum suction filter extrusion forming, and the heatproof of this ceramic beaverboard is 1500 ℃-1800 ℃, also can select the ceramic beaverboard of suitable heatproof to make body of heater 2 according to the real work needs in addition; And be provided with refractory insulating layer around the body of heater 2 and between the furnace shell 1, described refractory insulating layer is cellucotton and fibrofelt, is used for insulation and firm body of heater 2.
The furnace roof 4 of described burner hearth is the overall structure of being built by laying bricks or stones by the ceramic beaverboard that is T-shape, and is equipped with some high-temperature ceramics in this overall structure, has strengthened the stability of furnace roof 4, prevents that furnace roof 4 from caving in.
Described fire door 9 is the overall structures of being built by laying bricks or stones by long alumina bubble brick and short alumina bubble brick each interval, and the upper surface of fire door 9 is provided with for the drop-bottom 11 that supports material; Fire door 9 upper surfaces are scraggly structure, can make also to have guaranteed all thermally equivalents of even material of furnace temperature to the material load-bearing.
Adopt chimeric ways of connecting between described fire door 9 and the burner hearth, and on fire door 9, be provided with the high-alumina refractory fiber felt with the chimeric contact-making surface that is connected of burner hearth, guaranteed the sealing of fire door, avoided rigid impact occurring between fire door 9 and the burner hearth.
Described temperature thermocouple 5 links to each other with the PID Programmable Logic Controller, and described heating element heater 3 is U-shaped Si-Mo rod or Elema, and it links to each other with transformer.
The course of work of the present utility model is: put into material to fire door 9, fire door 9 is risen to be sealed, and feeds protective atmosphere, sets to start heating schedule, and the implementing process engineering stops heating, cools off naturally, stops the atmosphere input, blow-on door 9, and main power source is closed in discharging.

Claims (9)

1. high temperature elevator furnace, comprise furnace shell (1), be arranged on the burner hearth of furnace shell inside, furnace bottom hoistable platform (10), temperature thermocouple (5), heating element heater (3), gas handling system and blast pipe (6), it is characterized in that: burner hearth is made up of furnace roof (4) and square body of heater (2), bottom and the open-top of described body of heater (2), furnace roof (4) is arranged on the top of body of heater, the upper end of furnace bottom hoistable platform (10) is connected with the fire door (9) for the closed furnace inner chamber, be provided with the heating element heater (3) and the temperature thermocouple (5) that stretch in the burner hearth cavity in the furnace shell (1), lower furnace portion is provided with gas handling system, described gas handling system is made up of air inlet pipe (7) and the preheater (8) that is serially connected on the air inlet pipe, air inlet pipe one end is communicated with burner hearth cavity, and the other end passes furnace shell and is in communication with the outside; The top of burner hearth is provided with blast pipe (6), and blast pipe one end is communicated with burner hearth cavity, and the other end passes furnace shell and is in communication with the outside.
2. high temperature elevator furnace according to claim 1 is characterized in that: the body of heater of described burner hearth (2) is the integrative-structure that adopts the ceramic beaverboard splicing of wet method vacuum suction filter extrusion forming to form, and the heatproof of this ceramic beaverboard is 1500 ℃-1800 ℃.
3. high temperature elevator furnace according to claim 1, it is characterized in that: the furnace roof of described burner hearth (4) is the overall structure of being built by laying bricks or stones by the ceramic beaverboard that is T-shape, and is equipped with some high-temperature ceramics in this overall structure.
4. high temperature elevator furnace according to claim 1 is characterized in that: described fire door is the overall structure of being built by laying bricks or stones by long alumina bubble brick and short alumina bubble brick each interval.
5. high temperature elevator furnace according to claim 1 is characterized in that: be provided with the alumina silicate fibre refractory insulating layer between the body of heater of described burner hearth (2) and the furnace shell (1).
6. high temperature elevator furnace according to claim 1, it is characterized in that: described fire door (9) is connected with burner hearth is chimeric.
7. high temperature elevator furnace according to claim 6 is characterized in that: is provided with the high-alumina refractory fiber blanket with the chimeric contact-making surface that is connected of burner hearth on the described fire door (9).
8. high temperature elevator furnace according to claim 1, it is characterized in that: described heating element heater (3) is U-shaped Elema or U-shaped Si-Mo rod.
9. high temperature elevator furnace according to claim 1, it is characterized in that: the part of stretching out furnace shell on described air inlet pipe (7) and the blast pipe (6) is provided with flow control valve.
CN 201320028659 2013-01-21 2013-01-21 High-temperature lifting furnace Active CN203148211U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320028659 CN203148211U (en) 2013-01-21 2013-01-21 High-temperature lifting furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320028659 CN203148211U (en) 2013-01-21 2013-01-21 High-temperature lifting furnace

Publications (1)

Publication Number Publication Date
CN203148211U true CN203148211U (en) 2013-08-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Link
CN (1) CN203148211U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103712457A (en) * 2014-01-20 2014-04-09 山东华建铝业集团有限公司 Safety energy-saving heating furnace
CN103836978A (en) * 2013-08-30 2014-06-04 洛阳明创矿山冶金设备有限公司 Heating element used for melting and holding furnace
CN103940228A (en) * 2013-01-21 2014-07-23 洛阳华旭利尔电炉有限公司 High-temperature lifting furnace
CN105352321A (en) * 2015-12-10 2016-02-24 上海化工研究院 Multi-safety energy-saving burning test furnace

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103940228A (en) * 2013-01-21 2014-07-23 洛阳华旭利尔电炉有限公司 High-temperature lifting furnace
CN103836978A (en) * 2013-08-30 2014-06-04 洛阳明创矿山冶金设备有限公司 Heating element used for melting and holding furnace
CN103712457A (en) * 2014-01-20 2014-04-09 山东华建铝业集团有限公司 Safety energy-saving heating furnace
CN105352321A (en) * 2015-12-10 2016-02-24 上海化工研究院 Multi-safety energy-saving burning test furnace
CN105352321B (en) * 2015-12-10 2018-02-09 上海化工研究院有限公司 A kind of energy-saving bonfire test stove of maltilevel security

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CP01 Change in the name or title of a patent holder

Address after: 471003 Sanshan Village, Sun Qitun Township, Luoyang High-tech Zone, Henan Province, 57

Patentee after: Luoyang Shenhua Heating Technology Co., Ltd.

Address before: 471003 Sanshan Village, Sun Qitun Township, Luoyang High-tech Zone, Henan Province, 57

Patentee before: LUOYANG HUAXULIER ELECTRIC STOVE CO., LTD.

CP01 Change in the name or title of a patent holder
CP02 Change in the address of a patent holder

Address after: 471003 Aimin Road, Baiying Village, Luoyang High-tech Zone, Henan Province

Patentee after: Luoyang Shenhua Heating Technology Co., Ltd.

Address before: 471003 Sanshan Village, Sun Qitun Township, Luoyang High-tech Zone, Henan Province, 57

Patentee before: Luoyang Shenhua Heating Technology Co., Ltd.

CP02 Change in the address of a patent holder